public class TestDemo {
    public static void main(String[] args) {
        float f = 10.1f;
        System.out.println(f);
        System.out.println(1.0/2);
    }
    public static void main3(String[] args) {
        long $a = 10L;
        System.out.println($a);
    }
    public static void main2(String[] args) {
        int a = 9,b = 10, c = 11;
        System.out.println(Integer.MAX_VALUE);
        System.out.println(Integer.MIN_VALUE);
        System.out.println(a);
        System.out.println(b);
        System.out.println(c);
    }
    public static void main1(String[] args) {
        System.out.println("hello");
    }
}
